2016^3-2015^3+2014^3-2013^3+…… +What is the last number of 2 ^ 3-1 ^ 3?

Mathematical Olympiad: 2016 ^ 3-2015 ^ 3 + 2014 ^ 3-2013 ^ 3 + +What is the end number of 2 ^ 3-1 ^ 3? The end number of 2016 ^ 3 is 62015 ^ 3, 52014 ^ 3, 42013 ^ 3, 72012 ^ 3, 82011 ^ 3, 12010 ^ 3, 020

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1. Calculation (1-3) × (3-5) / (5-7) × (7-9) / (9-11) × (11-13) /. × (2011-2013) / (2013-2015)
2. Summation of an = 4 / (n + 1) (n + 3) sequence
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4. The third sub problem of the key point is known that in the sequence {an}, A1 = 1, Nan + 1 = 2 (a1 + A2 + a3 +... + an) (n ∈ n *) (1) the general formula for finding A2, A3, A4 (2) for finding an (3) Let {BN} satisfy B1 = 1 / 2, B (n + 1) = 1 / AK * BN ^ 2 + BN, and prove BN
5. In sequence an, A1 = 1, A3 = 7, and a (n + 1) = nan-1 / (n-1), find the general term formula of an
6. If an > 0, A1 = 1, an ^ 2 - (an-1) ^ 2 = (an-1) * an, If an > 0, A1 = 1, an ^ 2 - (an-1) ^ 2 = (an-1) * an, then 1 / (a1 + A2) + 1 / (A2 + a3) + +1/(an-1+an) =
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8. Note CN = an × BN to find the first n terms and TN of sequence {CN} an=2n-1 bn=2/(3^n)
9. Given the N-1 degree of sequence an = 2n + 1 bn = 8. CN = an * BN. Find the first n terms of CN and TN
10. If BN = | an | (n ∈ n), find the first n terms and TN of {BN}
11. The general term formula an = 3N + 1 of sequence {an} is known. The second term, the fourth term and the eighth term are taken out in turn. The second ^ n term constitutes a new sequence {BN}, Find the general formula of {BN}
12. Statistical univariate linear regression proved that SST = SSE + SSR How to prove the unitary linear regression SST = SSE + SSR,
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14. 3.7.9.0 can be composed of several three digit numbers without repetition
15. Given that a and B satisfy the equations {a + 2B = 5-m, 2A + B = 7-m, what is the value of A-B?
16. Unit 3 in Grade 7 3、 The following sentences all have one mistake. Please draw a line under the mistake and write the correct answer on the line after the question 1.There are four peoples in my family.________ 2.Are those your friend?________ 3.That is his father friend.________ 4.This isn't her bag.It 's I bag.________ 5.-What are these?________ -These are apples.________ 6.Are they your grandparent?________ 7.-Dad,he is my friend,Tom. -Hello,Tom ________ 8.Excuse me,is that yours watch?________ 9.Mr Green is Jim father.________ 10.What's a name of his cat?________
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20. The functional relationship between the selling price P yuan and the time t day of a commodity in the past 30 days is 1. The functional relationship between the selling price P yuan and the time t day of a commodity in the past 30 days is P={ t+20 0